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System Maintenance Section 6-11
Setting Using Brightness and Contrast Adjustment Screen
Display screen number 9030 using either a touch switch with switch screen
function, or by specifying the display screen in the PT status control area.
Select Maintenance Mode.
Select I/O Settings.
Select Contrast Adjust.
[ ]: Increase 10 steps
[ ]: Increase 1 step
[ ]: Decrease 1 step
[ ]: Decrease 10 steps
Press Quit.
Ver 4.12
Adjust the contrast with the touch switches in
the left half of the screen.
The contrast is set and the NT31/NT31C
returns to the I/O SETTINGS MENU screen.